How to select html select tag by default? Introduction to the use of select tags-HTML Tutorial-php.cn

How to select html select tag by default? Introduction to the use of select tags

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Release： 2018-08-31 16:04:28

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This article mainly introduces the default selection method of the select tag in HTML. There is a complete code example in it. Try the use of the code. Now let's take a look at this article about the select tag in HTML. Article

First of all, what we want to introduce is how can the select tag in html be selected by default? The

select element creates a single-select or multiple-select menu.

The

Tip: The select element is a form control that can be used to accept user input in a form.

General select tags have the following complete code:

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>PHP中文网</title>
</head>
<body>
<select>
  <option value ="volvo">php中文网</option>
  <option value ="saab">百度</option>
  <option value="opel">新浪</option>
  <option value="audi">腾讯</option>
</select>
</body>
</html>

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The effect is obvious:

How to select html select tag by default? Introduction to the use of select tags

After clicking, the drop-down will open box, what we have to do today is how to select it by default. What we are talking about is the selected attribute. Enter this attribute in the drop-down box you want. The attribute value and attribute are the same, such as:

<select>
  <option value ="volvo">php中文网</option>
  <option value ="saab" selected="selected">百度</option>
  <option value="opel">新浪</option>
  <option value="audi">腾讯</option>
</select>

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Baidu is selected, and the effect is as shown in the figure:

How to select html select tag by default? Introduction to the use of select tags

Every time it is refreshed, Baidu is displayed on it. This is the usage of the selected attribute. Also very useful.

This article ends here (if you want to learn more HTML knowledge, welcome to the PHP Chinese website to learn, here are all the programming courses you want to learn), if you have any questions, you can ask below .

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